Card Size in Panel View too big

[HidYn]

Hi All,

Hoping someone can point me in the right direction. I've added the WebRTC card to a dashboard via Panel View but the feed is too big for the screen and I have to scroll to view it all.

I'm using a Unifi G4 Doorbell Pro and the resolution is 1600x900 and should be 4:3 with bars.

type: custom:webrtc-camera
url: front_door
background: true

I've tried adding style: "video {aspect-ratio: 16/9; object-fit: fill;}" and style: "video {aspect-ratio: 1; object-fit: fill;}" but neither help and just end up either stretching or squashing the image.

Thanks in advance.